#include <iostream>

int stonetolb(int);

int main(void){
	using namespace std;
	int stone;

	cout << "Enter the weight in stone : ";
	cin >> stone;

	int pounds = stonetolb(stone);
	cout << stone << " stone = ";
	cout << pounds << " pounds." << endl;

	return 0;
}

int stonetolb(int sts){
	return 14 * sts;
}